OpenTechnical

OT-2026-000038177

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000038177) never changes.

Identity and time

Publication numberOT-2026-000038177 · never reused
Internal UUID01a0ae78-2d50-7f40-9456-bfb96cd46f93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038177
StatusPUBLIC

Content hashes

Canonical text0800f4abee13b9eff52a1b7039d58078bcdc48fa8f83709e39b4efaa3f8d669f
Markdown14801430e242bb434aab63319dd0a7fd0a5566020960824c778358b54c24b6a7
PDF
Publication pagee2c08c53ceb6a437b0aec19870b9fe1021addd7e4427b9d91751f475d91f389b
Manifest194d88dd28f12a26fe01d50a0e5e68972e699915c71d4a3b28d5dbb10200a983

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureSdpEyTPXc3brMb/adU01a0TQXg5PUY1h9Uiu+FVXRD8uqX/RwECj9SfFHwyni0K2pfPJF5sHDz4mMDmUzsxzAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:18.083871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038177
observed e2c08c53ceb6a437b0aec19870b9fe10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.066432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038177/manifest.json
observed 194d88dd28f12a26fe01d50a0e5e6897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.045928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038177/publication.md
observed 14801430e242bb434aab63319dd0a7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.025884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038177/publication.txt
observed 0800f4abee13b9eff52a1b7039d58078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.